body {
    min-width: 320px;
    margin: 0 auto;
    height: 1200px;
    max-width: 750px;
    background-color: #f2f4f7;
}
a {
    text-decoration: none;
}
@media screen and (min-width:750px) {
    html {
        font-size: 37.5px !important;
    }
}
.wrap {
    background-color: #fff;
}
header {
    text-align: center;
    border-bottom: .026667rem solid #eaeaea;
    font-size: .933333rem;
    font-family: Microsoft YaHei Regular, Microsoft YaHei Regular-Regular;
    font-weight: 400;
    box-sizing: border-box;
    padding: .266667rem;
  }
  .nav_content {
    display: flex;
    flex-wrap: wrap;
    a {
        display: flex;
        flex-direction: column;
        flex: 33.33%;
        align-items: center;
        img {
            width: 1.866667rem;
            height: 1.866667rem;
        }
        span {
            opacity: 1;
            font-size: .533333rem;
            font-family: Arial Regular, Arial Regular-Regular;
            font-weight: 400;
            text-align: left;
            color: #707070;
            line-height: .72rem;
            letter-spacing: .026667rem;
        }
    }
  }
.go_module {
    background-color: #fff;
    margin: 1.6rem .266667rem 0 .266667rem;
    text-align: center;
    width: 19.253333rem;
    height: 4.053333rem;
}
.main_content {
    margin-top: .266667rem;
    background-color: #fff;
    padding: 1.066667rem .64rem .586667rem .64rem;
    .instruction {
        display: flex;
        justify-content: space-between;
        align-items: center;
        h4 {
            font-size: .746667rem;
            margin: 0;
            padding: 0;
            color: #333;
            .icon {
                display: inline-block;
                width: 1.013333rem;
                height: 1.013333rem;
                vertical-align: middle;
            }
        }
        a {
            color: #999;
            font-size: .586667rem;
        }
    }
    .study {
        position: relative;
        --swiper-navigation-color: #000;/* 单独设置按钮颜色 */
        --swiper-navigation-size: 30px;/* 设置按钮大小 */
        .swiper_width_max {
            width: 14.4rem;
        }
        .swiper-container {
            // width: 100%;
            height: 100%;
            
          }
          .swiper-slide {
                text-align: center;
                font-size: 18px;
                background: #fff;
        
                /* Center slide text vertically */
                display: -webkit-box;
                display: -ms-flexbox;
                display: -webkit-flex;
                display: flex;
                flex-direction: column;
                -webkit-box-pack: center;
                -ms-flex-pack: center;
                -webkit-justify-content: center;
                justify-content: center;
                -webkit-box-align: center;
                -ms-flex-align: center;
                -webkit-align-items: center;
                align-items: center;
                transition: 300ms;
                transform: scale(0.8);
                opacity: .5;
                a {
                    width: 9.013333rem;
                    height: 10.026667rem;
                    img {
                        width: 100%;
                        height: 100%;
                    }
                    
                }
                span {
                    display: block;
                    width: 9.013333rem;
                    font-size: .64rem;
                }
          }
          .swiper-slide-active,.swiper-slide-duplicate-active{
            transform: scale(1);
            z-index: 999;
            opacity: 1;
          }
    }
}
.main_content_study {
    margin-top: .266667rem;
    background-color: #fff;
    padding: 1.066667rem .64rem .586667rem .64rem;
    .instruction {
        display: flex;
        justify-content: space-between;
        align-items: center;
        h4 {
            font-size: .746667rem;
            margin: 0;
            padding: 0;
            color: #333;
            .icon {
                display: inline-block;
                width: 1.013333rem;
                height: 1.013333rem;
                vertical-align: middle;
            }
        }
        a {
            color: #999;
            font-size: .586667rem;
        }
    }
    .study {
        padding: .266667rem;
        .swiper-container {
            width: 100%;
            height: 100%;
          }
        .swiper-slide {
            text-align: center;
            font-size: 18px;
            background: #fff;
            padding: .266667rem;
            box-shadow: 0 0 10px rgba(0,0,0,.1);
            /* Center slide text vertically */
            width: 7.733333rem;
            height: 9.066667rem;
            border-radius: 10px;
            img {
                width: 100%;
            }
            .title {
                display: block;
                text-align: left;
                font-size: .693333rem;
                margin: .4rem 0;
            }
            .num_study {
                margin-top: 1.2rem;
                display: block;
                font-size: .693333rem;
                text-align: left;
                color: #FF4400;
                span {
                    color: grey;
                }
            }
        }
    }
}
footer {
    height: 3.013333rem;
    margin-top: .266667rem;
    background-color: #fff;
    display: flex;
    a {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        img {
            width: 1.04rem;
            height: 1.093333rem;
        }
        span {
            color: #666;
            font-size: .586667rem;
        }
    }
}
